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5 votes
Which dog has the most kinetic energy

15 kg going 3 m/s
8 kg going 4 m/s
12 kg going 5 m/s
10 kg going 6 m/s

User CAA
by
6.2k points

2 Answers

7 votes

Answer:

10 kg going 6 m/s

Step-by-step explanation:

A P E X

User NHK
by
6.8k points
3 votes
The formula to find the kinetic energy is:

Ek= 1/2 × m × v^2

1. Ek= 1/2×15×3^2
= 67.5 J

2.Ek= 1/2×8×4^2
=64 J

3.Ek= 1/2×12×5^2
= 150 J

4.Ek= 1/2×10×6^2
= 180 J

So the fourth dog has the most kinetic energy.
User Oluchi
by
8.1k points